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14971e5b VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: buffer.h | |
3 | // Purpose: auto buffer classes: buffers which automatically free memory | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: | |
6 | // Created: 12.04.99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
9 | // Licence: wxWindows license | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // these classes are for private use only for now, they're not documented | |
13 | ||
14 | #ifndef _WX_BUFFER_H | |
15 | #define _WX_BUFFER_H | |
16 | ||
853d7d3d | 17 | #include "wx/wxchar.h" |
f93d01be | 18 | #include <string.h> // strdup |
14971e5b VZ |
19 | |
20 | // ---------------------------------------------------------------------------- | |
21 | // Special classes for (wide) character strings: they use malloc/free instead | |
22 | // of new/delete | |
23 | // ---------------------------------------------------------------------------- | |
24 | ||
25 | class wxCharBuffer | |
26 | { | |
27 | public: | |
28 | wxCharBuffer(const char *str) | |
29 | { | |
f93d01be | 30 | wxASSERT_MSG( str, _T("NULL string in wxCharBuffer") ); |
14971e5b VZ |
31 | |
32 | m_str = str ? strdup(str) : (char *)NULL; | |
33 | } | |
f93d01be OK |
34 | wxCharBuffer(size_t len) |
35 | { | |
36 | m_str = (char *)malloc(len+1); | |
37 | m_str[len] = '\0'; | |
38 | } | |
14971e5b VZ |
39 | // no need to check for NULL, free() does it |
40 | ~wxCharBuffer() { free(m_str); } | |
41 | ||
f93d01be OK |
42 | wxCharBuffer(const wxCharBuffer& src) |
43 | { | |
44 | m_str = src.m_str; | |
45 | // no reference count yet... | |
d87c0ac7 | 46 | ((wxCharBuffer*)&src)->m_str = (char *)NULL; |
f93d01be OK |
47 | } |
48 | wxCharBuffer& operator=(const wxCharBuffer& src) | |
49 | { | |
50 | m_str = src.m_str; | |
51 | // no reference count yet... | |
d87c0ac7 | 52 | ((wxCharBuffer*)&src)->m_str = (char *)NULL; |
f93d01be OK |
53 | return *this; |
54 | } | |
55 | ||
14971e5b | 56 | operator const char *() const { return m_str; } |
b1fa8b4e | 57 | char operator[](size_t n) const { return m_str[n]; } |
14971e5b VZ |
58 | |
59 | private: | |
60 | char *m_str; | |
61 | }; | |
62 | ||
7a3e402c | 63 | #if wxUSE_WCHAR_T |
14971e5b VZ |
64 | class wxWCharBuffer |
65 | { | |
66 | public: | |
67 | wxWCharBuffer(const wchar_t *wcs) | |
68 | { | |
f93d01be | 69 | wxASSERT_MSG( wcs, _T("NULL string in wxWCharBuffer") ); |
14971e5b | 70 | |
853d7d3d OK |
71 | if (wcs) { |
72 | size_t siz = (wcslen(wcs)+1)*sizeof(wchar_t); | |
73 | m_wcs = (wchar_t *)malloc(siz); | |
74 | memcpy(m_wcs, wcs, siz); | |
75 | } | |
76 | else m_wcs = (wchar_t *)NULL; | |
f93d01be OK |
77 | } |
78 | wxWCharBuffer(size_t len) | |
79 | { | |
80 | m_wcs = (wchar_t *)malloc((len+1)*sizeof(wchar_t)); | |
81 | m_wcs[len] = L'\0'; | |
14971e5b VZ |
82 | } |
83 | ||
84 | // no need to check for NULL, free() does it | |
85 | ~wxWCharBuffer() { free(m_wcs); } | |
86 | ||
f93d01be OK |
87 | wxWCharBuffer(const wxWCharBuffer& src) |
88 | { | |
89 | m_wcs = src.m_wcs; | |
90 | // no reference count yet... | |
20456250 | 91 | ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL; |
f93d01be OK |
92 | } |
93 | wxWCharBuffer& operator=(const wxWCharBuffer& src) | |
94 | { | |
95 | m_wcs = src.m_wcs; | |
96 | // no reference count yet... | |
20456250 | 97 | ((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL; |
f93d01be OK |
98 | return *this; |
99 | } | |
100 | ||
14971e5b | 101 | operator const wchar_t *() const { return m_wcs; } |
b1fa8b4e OK |
102 | wchar_t operator[](size_t n) const { return m_wcs[n]; } |
103 | ||
14971e5b VZ |
104 | private: |
105 | wchar_t *m_wcs; | |
106 | }; | |
7a3e402c | 107 | #endif |
14971e5b | 108 | |
f93d01be OK |
109 | #if wxUSE_UNICODE |
110 | #define wxMB2WXbuf wxWCharBuffer | |
111 | #define wxWX2MBbuf wxCharBuffer | |
112 | #define wxWC2WXbuf wxChar* | |
113 | #define wxWX2WCbuf wxChar* | |
114 | #else | |
115 | #define wxMB2WXbuf wxChar* | |
116 | #define wxWX2MBbuf wxChar* | |
117 | #define wxWC2WXbuf wxCharBuffer | |
118 | #define wxWX2WCbuf wxWCharBuffer | |
119 | #endif | |
120 | ||
14971e5b VZ |
121 | // ---------------------------------------------------------------------------- |
122 | // template class for any kind of data | |
123 | // ---------------------------------------------------------------------------- | |
124 | ||
125 | // TODO | |
126 | ||
127 | #endif // _WX_BUFFER_H |